go to the Power transformers product page Anonymous asked on Dec 30th, 2013 in Power transformers

What are the differences between shell-type and core-type transformers?

Abhishek Rai, Marketing and Sales Manager

ABB's answer

The main difference is that in core-type construction, the windings surround the core. In shell-type construction, the magnetic core surrounds the windings so there is essentially no gap between the active part and the transformer tank walls. Due to that inherent robustness, shell-type transformers tend to be suitable when low impedance and/or high short circuit capability is required. ABB builds both technologies.


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  • Abhishek Rai

    Abhishek Rai

    Marketing and Sales Manager

    Large and medium power transformers

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